/* ============================================================ */
/*  TOMÁS CARVALHO — PORTFÓLIO                                  */
/*  Aesthetic: Cyberpunk Terminal · Neon on Dark v4             */
/* ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg:           #0a0812;
  --bg-mid:       #0f0c1a;
  --bg-card:      #141020;
  --bg-card-2:    #1a152b;

  --neon-pink:    #ff6ec7;
  --neon-cyan:    #00fff3;
  --neon-glow:    rgba(255,110,199,0.35);
  --neon-border:  rgba(255,110,199,0.18);
  --neon-dim:     rgba(255,110,199,0.08);
  --cyan-glow:    rgba(0,255,243,0.25);

  --text-hi:      #f0eeff;
  --text-mid:     #a8a8c0;
  --text-lo:      #6a6a88;

  --font-sans:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --ease:         cubic-bezier(0.23, 1, 0.32, 1);
  --t:            0.32s;
  --radius:       6px;
}

/* ------------------------------ */
/* RESET & GLOBAL                 */
/* ------------------------------ */

*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 68px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-hi);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

/* CRT scanlines */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.12) 3px,
    rgba(0,0,0,0.12) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* Scrollbar */
::-webkit-scrollbar        { width: 4px; }
::-webkit-scrollbar-track  { background: var(--bg); }
::-webkit-scrollbar-thumb  { background: var(--neon-pink); border-radius: 2px; }
::selection { background: var(--neon-pink); color: #000; }

/* ------------------------------ */
/* CUSTOM CURSOR                  */
/* ------------------------------ */



/* ------------------------------ */
/* SCROLL REVEAL                  */
/* ------------------------------ */

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------ */
/* HERO                           */
/* ------------------------------ */

header.intro {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  overflow: hidden;
  border-bottom: 1px solid var(--neon-border);
}

.intro-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,110,199,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,110,199,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

.intro-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.intro-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon-pink);
  letter-spacing: 3px;
  margin-bottom: 24px;
  opacity: 0.75;
}

header.intro h1 {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 7vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.05;
  color: var(--text-hi);
  text-shadow:
    0 0 12px var(--neon-pink),
    0 0 40px var(--neon-glow);
  min-height: 1.1em;
}

header.intro h1::after {
  content: '_';
  color: var(--neon-pink);
  animation: blink 0.85s step-end infinite;
  margin-left: 2px;
}

.intro-sub {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-mid);
  margin-top: 20px;
  letter-spacing: 1px;
}

.sep { color: var(--neon-pink); margin: 0 8px; }

.intro-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border: 1px solid var(--neon-border);
  border-radius: 999px;
  color: var(--text-mid);
  background: var(--neon-dim);
}

.badge-green {
  border-color: rgba(0,255,150,0.3);
  color: #00ff96;
  background: rgba(0,255,150,0.06);
}

.scroll-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 52px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--text-lo);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--t);
}

.scroll-cta:hover { color: var(--neon-pink); }

.scroll-cta .arrow {
  animation: bounce 1.6s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* Glitch on hover */
header.intro:hover h1 {
  animation: glitch 0.5s linear infinite alternate;
}

@keyframes glitch {
  0%  { transform: translate(0); }
  20% { transform: translate(-2px, 1px); color: var(--neon-pink); }
  40% { transform: translate(-2px, -2px); color: var(--neon-cyan); }
  60% { transform: translate(2px, 1px); color: var(--neon-pink); }
  80% { transform: translate(2px, -2px); color: var(--neon-cyan); }
  100%{ transform: translate(0); color: var(--text-hi); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ------------------------------ */
/* NAVIGATION                     */
/* ------------------------------ */

nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,8,18,0.94);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--neon-border);
}

.nav-progress {
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--neon-pink), var(--neon-cyan));
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px var(--neon-pink);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 6px 16px;
}

nav ul li a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-lo);
  text-decoration: none;
  padding: 12px 18px;
  display: block;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all var(--t) var(--ease);
  position: relative;
  overflow: hidden;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--neon-pink), transparent);
  transform: scaleX(0);
  transition: transform var(--t) var(--ease);
}

nav ul li a:hover,
nav ul li a.active {
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-glow);
}

nav ul li a:hover::after,
nav ul li a.active::after {
  transform: scaleX(1);
}

/* ------------------------------ */
/* SECTIONS BASE                  */
/* ------------------------------ */

section {
  padding: clamp(64px, 10vw, 108px) 24px;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

section + section {
  border-top: 1px solid rgba(255,110,199,0.06);
}

section h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text-hi);
  margin-bottom: 48px;
  position: relative;
  display: inline-block;
  text-shadow: 0 0 18px var(--neon-glow);
}

section h1::before {
  content: '> ';
  color: var(--neon-pink);
  opacity: 0.6;
}

section h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--neon-pink);
  box-shadow: 0 0 10px var(--neon-pink);
}

/* ------------------------------ */
/* ABOUT                          */
/* ------------------------------ */

.about-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 52px;
  align-items: start;
}

@media (max-width: 640px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { text-align: center; }
}

.about-photo {
  position: relative;
  width: fit-content;
}

.foto-perfil {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--neon-pink);
  box-shadow: 0 0 24px var(--neon-glow), 0 0 60px rgba(255,110,199,0.1);
  transition: all 0.4s var(--ease);
  position: relative;
  z-index: 1;
}

.foto-perfil:hover {
  transform: scale(1.04);
  box-shadow: 0 0 40px var(--neon-glow), 0 0 80px rgba(255,110,199,0.2);
}

.photo-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(255,110,199,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.about-text p {
  color: var(--text-mid);
  margin-bottom: 18px;
  font-size: 1rem;
}

.about-text b { color: var(--text-hi); }

blockquote {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--neon-pink);
  border-left: 2px solid var(--neon-pink);
  padding: 12px 20px;
  margin-top: 28px;
  background: var(--neon-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  text-shadow: 0 0 10px var(--neon-glow);
}

/* ------------------------------ */
/* SKILLS                         */
/* ------------------------------ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 14px;
  margin-bottom: 36px;
}

.skill-item {
  background: var(--bg-card);
  padding: 22px 12px 18px;
  border: 1px solid rgba(255,110,199,0.08);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: all 0.3s var(--ease);
  position: relative;
  cursor: default;
}

.skill-item:hover {
  border-color: var(--neon-pink);
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5), 0 0 20px var(--neon-glow);
  background: var(--bg-card-2);
}

.skill-icon {
  width: 42px;
  height: 42px;
  filter: brightness(0.9) saturate(0.8);
  transition: all var(--t) var(--ease);
}

.skill-item:hover .skill-icon {
  filter: brightness(1.2) saturate(1.5) drop-shadow(0 0 10px var(--neon-pink));
  transform: scale(1.2);
}

.skill-item span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-mid);
  letter-spacing: 0.5px;
  text-align: center;
}

.skill-level {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--neon-pink);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid rgba(255,110,199,0.3);
  border-radius: 999px;
  margin-top: 2px;
}

.skills-note {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-lo);
  letter-spacing: 1px;
}

/* ------------------------------ */
/* CERTIFICAÇÕES                  */
/* ------------------------------ */

.certs-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-card);
  padding: 24px 28px;
  border: 1px solid rgba(0,255,243,0.1);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--t) var(--ease);
}

.cert-card:hover {
  border-color: var(--neon-cyan);
  background: var(--bg-card-2);
  transform: translateX(8px);
  box-shadow: 0 0 30px var(--cyan-glow);
}

.cert-icon {
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
}

.cert-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.cert-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-hi);
}

.cert-issuer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon-cyan);
  letter-spacing: 1px;
}

.cert-arrow {
  font-family: var(--font-mono);
  color: var(--text-lo);
  transition: all var(--t);
}

.cert-card:hover .cert-arrow {
  color: var(--neon-cyan);
  transform: translateX(6px);
}

/* ------------------------------ */
/* PROJETOS                       */
/* ------------------------------ */

.projects-list {
  display: grid;
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  padding: 32px 28px;
  border: 1px solid rgba(255,110,199,0.08);
  border-radius: var(--radius);
  transition: all var(--t) var(--ease);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--neon-pink);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--t) var(--ease);
  box-shadow: 0 0 12px var(--neon-pink);
}

.project-card:hover {
  background: var(--bg-card-2);
  border-color: rgba(255,110,199,0.2);
  transform: translateX(6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.project-card:hover::before {
  transform: scaleY(1);
}

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.project-header h3 {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-hi);
  letter-spacing: -0.5px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid rgba(255,110,199,0.25);
  border-radius: 999px;
  color: var(--neon-pink);
  background: rgba(255,110,199,0.05);
}

.tag-cyan {
  border-color: rgba(0,255,243,0.25);
  color: var(--neon-cyan);
  background: rgba(0,255,243,0.05);
}

.project-card p {
  color: var(--text-mid);
  font-size: 0.93rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.project-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--neon-pink);
  text-decoration: none;
  padding: 10px 22px;
  border: 1px solid var(--neon-pink);
  border-radius: var(--radius);
  display: inline-block;
  transition: all var(--t) var(--ease);
}

.project-link:hover {
  background: var(--neon-pink);
  color: #000;
  box-shadow: 0 0 24px var(--neon-glow);
  transform: translateY(-2px);
}

/* ------------------------------ */
/* SEARCH SECTION                 */
/* ------------------------------ */

.search-section {
  background: linear-gradient(135deg, rgba(0,255,243,0.03) 0%, rgba(255,110,199,0.03) 100%);
  border-top: 1px solid rgba(0,255,243,0.12) !important;
  border-bottom: 1px solid rgba(0,255,243,0.12);
}

.search-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(64px, 10vw, 108px) 24px;
}

.search-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon-cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.7;
}

.search-title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 24px var(--cyan-glow);
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.search-sub {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 24px;
  font-weight: 500;
}

.search-desc {
  color: var(--text-mid);
  font-size: 0.95rem;
  margin-bottom: 28px;
  max-width: 680px;
  line-height: 1.8;
}

.search-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search-features li {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-mid);
  padding-left: 20px;
  position: relative;
}

.search-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--neon-cyan);
}

.search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.search-warning {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #ffaa00;
  background: rgba(255,170,0,0.06);
  border: 1px solid rgba(255,170,0,0.2);
  padding: 10px 18px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  display: inline-block;
}

.search_operation {
  width: 100%;
  max-width: 820px;
  display: block;
  margin: 32px 0 0;
  border-radius: var(--radius);
  border: 1px solid rgba(0,255,243,0.12);
  box-shadow: 0 0 40px rgba(0,255,243,0.06), 0 20px 60px rgba(0,0,0,0.6);
  transition: all 0.4s var(--ease);
  filter: brightness(0.9) saturate(0.9);
  cursor: pointer;
}

.search_operation:hover {
  border-color: var(--neon-cyan);
  filter: brightness(1.05) saturate(1.1);
  box-shadow: 0 0 50px rgba(0,255,243,0.12), 0 25px 70px rgba(0,0,0,0.7);
  transform: translateY(-4px);
}

/* ------------------------------ */
/* LEARNING                       */
/* ------------------------------ */

.learn > p {
  color: var(--text-mid);
  margin-bottom: 36px;
  max-width: 620px;
}

.learn-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.learn-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 14px 24px;
  background: var(--bg-card);
  color: var(--text-mid);
  text-decoration: none;
  border: 1px solid var(--neon-border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}

.learn-link:hover {
  color: var(--text-hi);
  border-color: var(--neon-pink);
  background: var(--neon-dim);
  transform: translateY(-3px);
  box-shadow: 0 0 20px var(--neon-glow);
}

.learn-icon { font-size: 1rem; }

/* ------------------------------ */
/* SOBRE MIM                      */
/* ------------------------------ */

.mim p {
  color: var(--text-mid);
  max-width: 640px;
  margin-bottom: 16px;
}

/* ------------------------------ */
/* LINKS                          */
/* ------------------------------ */

.links-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.links-list a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--bg-card);
  color: var(--text-mid);
  text-decoration: none;
  border: 1px solid var(--neon-border);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}

.links-list a::before {
  content: '>';
  color: var(--neon-pink);
  opacity: 0.5;
  transition: all 0.2s;
}

.links-list a:hover {
  color: var(--text-hi);
  border-color: var(--neon-pink);
  background: var(--neon-dim);
  box-shadow: 0 0 20px var(--neon-glow);
  transform: translateY(-3px);
}

.links-list a:hover::before { opacity: 1; }

/* ------------------------------ */
/* CONTACTOS                      */
/* ------------------------------ */

.contactos p {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 2.2;
  background: var(--bg-card);
  padding: 36px 44px;
  border-radius: var(--radius);
  display: block;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--neon-border);
  color: var(--text-mid);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease);
}

.contactos p::before {
  content: '$ whoami --contact';
  display: block;
  font-size: 0.7rem;
  color: var(--neon-pink);
  letter-spacing: 3px;
  margin-bottom: 18px;
  opacity: 0.65;
}

.contactos p:hover {
  border-color: var(--neon-pink);
  box-shadow: 0 15px 50px rgba(0,0,0,0.6), 0 0 35px var(--neon-glow);
  transform: translateY(-4px);
}

.contactos b { color: var(--neon-pink); font-weight: 500; }

/* ------------------------------ */
/* FOOTER                         */
/* ------------------------------ */

footer {
  text-align: center;
  padding: 40px 0 50px;
  color: var(--text-lo);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1px;
  border-top: 1px solid rgba(255,110,199,0.06);
}

/* ------------------------------ */
/* RESPONSIVE                     */
/* ------------------------------ */

@media (max-width: 480px) {
  nav ul li a { padding: 10px 12px; font-size: 0.62rem; }
  .project-header { flex-direction: column; }
}